Search a number
-
+
312104222 = 21920833943
BaseRepresentation
bin10010100110100…
…101010100011110
3210202021112111122
4102212211110132
51114344313342
650545250542
710506561563
oct2246452436
9722245448
10312104222
111501a1581
1288633a52
134c878371
142d64486a
151c6004d2
hex129a551e

312104222 has 16 divisors (see below), whose sum is σ = 493157760. Its totient is φ = 147730392.

The previous prime is 312104201. The next prime is 312104231. The reversal of 312104222 is 222401213.

It is a self number, because there is not a number n which added to its sum of digits gives 312104222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77183 + ... + 81125.

It is an arithmetic number, because the mean of its divisors is an integer number (30822360).

Almost surely, 2312104222 is an apocalyptic number.

312104222 is a deficient number, since it is larger than the sum of its proper divisors (181053538).

312104222 is a wasteful number, since it uses less digits than its factorization.

312104222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6047.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 312104222 is about 17666.4716907480. The cubic root of 312104222 is about 678.3178013147.

Adding to 312104222 its reverse (222401213), we get a palindrome (534505435).

The spelling of 312104222 in words is "three hundred twelve million, one hundred four thousand, two hundred twenty-two".

Divisors: 1 2 19 38 2083 3943 4166 7886 39577 74917 79154 149834 8213269 16426538 156052111 312104222